A British tennis player said he was robbed and assaulted while showering during a tour of Binh Duong province in southern Vietnam.

On September 24, Andrew Fitzpatrick, 23, tweeted that he had lost £1,000 (US$1,614) all his travel money during the first week of the Men's Futures tour in Vietnam.

He said his wallet had been stolen at a tennis court soon after arriving in Binh Duong three weeks earlier.

The tennis player, who is traveling on his own, said he must have either been practicing or playing in a match when it was taken.

He told his Twitter followers that he had also been "grabbed" and assaulted by a local man who followed him into the shower after a match, BBC reported.

"He was in the way of me getting out of the cubicle so I had to hit him to get past," said Fitzpatrick.

"I thought he might be armed with some sort of weapon.

"I... ran for the exit of the changing room so he couldn't escape and I could call for back-up."

After the incident, the International Tennis Federation (ITF) asked the Vietnam Tennis Federation to investigate the case.

On Sunday, Le Viet Cuong, Vietnamese managing director of the Men's Futures tournament, told Tuoi Tre newspaper that Fitzpatrick had chosen to stay in a hotel not recommended by the organizing committee, and that the tennis player had not been able to identify exactly when his money was stolen.

According to Cuong, on September 24, Fitzpatrick was followed into a shower by a gay man, who was then arrested by police.

Cuong said the incidents were "regretful."

The Men's Futures tournament in Binh Duong ended Sunday. Fitzpatrick made it through to the quarter-finals of the tournament.